R1362 - European Topic Centre on Biological Diversity (in prep) Population and trend data provided by the EU Member States in the frame of their reporting under Article 12 of the EU Birds Directive. Online fact sheets. European Topic Centre on Biological Diversity, Paris. URL: http://bd.eionet.europa.eu/activities/Reporting/Article_12/Reports_2013/Member_State_Deliveries. Accessed on 31 July 2014.

R1549 - BirdLife International 2015. European Red List of Birds. Luxembourg: Office for Official Publications of the European Communities. http://datazone.birdlife.org/info/euroredlist

T7017 - Trend based only on European part of the range (BirdLife International 2015). Decline is also reported from the Asian part of the E Mediterranean (Maclean & Kirwan 2017). Based on this, the significant long-term decline is likely to continue.

Copyright Wetlands International 2012Citation: Wetlands International (). "Waterbird Population Estimates" . Retrieved from wpe.wetlands.org on